12012232200 has 48 divisors (see below), whose sum is σ = 37237921680. Its totient is φ = 3203261760.

The previous prime is 12012232159. The next prime is 12012232229. The reversal of 12012232200 is 223221021.

It is a happy number.

12012232200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12012232200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10009594 + ... + 10010793.

It is an arithmetic number, because the mean of its divisors is an integer number (775790035).

Almost surely, 2^12012232200 is an apocalyptic number.

12012232200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012232200 is an abundant number, since it is smaller than the sum of its proper divisors (25225689480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012232200 is a wasteful number, since it uses less digits than its factorization.

12012232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020406 (or 20020397 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12012232200 its reverse (223221021), we get a palindrome (12235453221).

The spelling of 12012232200 in words is "twelve billion, twelve million, two hundred thirty-two thousand, two hundred".